GFRP solutions: The Melbourne Metro case
![GFRP solutions: The Melbourne Metro case](https://aceupdate.com/wp-content/uploads/2021/05/Dextra.jpg)
Glass Fiber Reinforced Polymer (GFRP) solutions are frequently used for several applications in civil engineering due to the many benefits of GFRP compared to alternative, conventional materials:
In mining and tunneling, this composite technology has successfully been used for decades, and GFRP is now also available for soil nails and tieback ground anchors.
A perfect showcase of latest GFRP solutions available is the Melbourne Metro Tunnel project, a major enhancement to Melbourne’s rail network: a multibillion-dollar project comprising the design and construction of twin nine-kilometre tunnels and five underground stations.
Dextra supported the project team with its technical expertise on GFRP at design stage and manufactured the GFRP solutions as per the project’s requirements:
Combination Bolts: Used as temporary measure to secure the center walls of the 19m wide caverns during construction of two conventional 7m tunnels.
Soil Nails: Secures the sations walls. The anchors can remain in the ground as material properties allow for easy cutting at later stage.
Soft-Eyes: Enables disruption-free penetration of the Tunnel Boring Machines (TBM) through the thick concrete diaphragm walls of five stations.
For more information, visit:
Website: www.dextragroup.com
Email: bjog@dextragroup.com
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